UberCab is a new service that lets you request a private car on demand via iPhone and SMS and pay using the app. It is currently operating as a limited beta service in San Francisco, with plans to expand to other cities in the future.

UberCab is an on-demand car service that allows everyone to have a private driver experience through iPhone, SMS, and web based requests. We are a technology startup that has created a more efficient means of transportation, making your city more useful and more pleasurable to move around in. UberCab connects clients and our network of professional town car and limo drivers in the simplest most elegant way possible, and we do it at a fraction of the cost.